A) KSA
B) Australia
C) UK
D) USA
🧠 Explanation:
H2O paani ka chemical formula hai, jo do hydrogen aur ek oxygen atom par mushtamil hota hai.
A) KSA
B) Australia
C) UK
D) USA
H2O paani ka chemical formula hai, jo do hydrogen aur ek oxygen atom par mushtamil hota hai.